Butler's Lookout Tower, Opposite Dutch Gap

Dutch Gap Canal

1865 · Albumen silver print from glass negative

[Prof. Maillefert and Naval Officers Employed to Remove Gunpowder from Confederate Torpedoes, James River, Virginia]

1865 · Albumen silver print from glass negative

Life in Camp, 6th Corp Headquarters

1864 · Salted paper print from glass negative with applied color

Dutch Gap Canal, James River

1864

A Union Station on the James River Established for Extracting Gunpowder from Confederate Torpedoes

1864

Part of Construction Corps Building New Military Truss Bridge Across Bull Run

1863 · Salted paper print from glass negative